Solar AC Water Pump
Solar AC Water Pump
A solar AC water pump system is a modern, intelligent water supply solution that utilizes solar energy to drive conventional AC (alternating current) water pumps. By converting clean solar power directly into mechanical energy for pumping, the system eliminates reliance on traditional grid electricity or diesel generators. It serves as an highly efficient choice for modern agricultural irrigation, desert greening, livestock watering, and water supply in remote areas.
Core System Components
A complete solar AC water pump system primarily consists of the following three parts:
PV Array (Solar Panels): Composed of multiple solar panels connected in series and parallel, it captures sunlight and converts solar energy into direct current (DC) electricity.
Solar AC Pump Inverter: The control core of the system. It converts the DC power generated by the PV array into the single-phase or three-phase AC power required to run the pump. Equipped with built-in MPPT (Maximum Power Point Tracking) technology, it automatically adjusts the output frequency based on real-time sunlight intensity, ensuring maximum water flow even on cloudy days or under changing light conditions.
AC Water Pump: Responsible for the actual pumping operation. Common types include AC deep well pumps, submersible pumps, centrifugal pumps, or inline pumps. Because it is driven by standard AC power, the system offers excellent compatibility with a wide range of pumps.
Key Advantages
Fully Automatic Operation (Unattended): The system features light-controlled automatic start and stop. It automatically starts pumping at sunrise when sunlight reaches the required operating voltage and shuts down at sunset when light is insufficient, eliminating the need for manual operation.
High Compatibility with Standard Pumps: AC technology is highly mature, making the system compatible with the vast majority of standard AC pumps on the market (ranging from 1HP to over 100HP). This means existing grid-powered pumps can often be directly upgraded to solar power.
Multi-Power Source Hybrid Input (AC/DC Dual Input): Modern solar AC inverters generally support dual-power switching. At night or during continuous rainy days when solar energy is insufficient, the system can seamlessly switch to the local grid or a diesel generator to guarantee 24/7 uninterrupted water supply.
Durable with Low Maintenance Costs: Compared to DC pumps, AC asynchronous motors are structurally more robust and have no carbon brushes or other wearing parts. The overall system has a long lifespan and requires minimal operation and maintenance costs over time.
Comprehensive Intelligent Protection: The inverters typically integrate various safety features, including lightning protection, overvoltage, undervoltage, overcurrent, and overload protection, as well as dry-run protection for wells and full-tank automatic shutoff, effectively extending the lifespan of both the pump and the system.
Primary Applications
| Application Field | Common Pump Types | Core Benefits |
| Agricultural Irrigation | Centrifugal pumps, high-lift transfer pumps, inline pumps | Meets the large-scale sprinkler and drip irrigation needs of farmland, orchards, and tea plantations, achieving zero-electricity-cost irrigation. |
| Deep Well Pumping | AC submersible deep well pumps | Resolves water extraction challenges from deep underground sources in arid, water-scarce, plateau, and mountainous regions. |
| Livestock Farming | Submersible pumps, self-priming pumps | Establishes automated drinking water systems for ranches, ensuring daily water supply for livestock in remote pastoral areas. |
| Desert Control & Ecological Restoration | Multi-stage deep well pumps, high-flow pumps | Used for desert greening and soil and water conservation projects, providing a continuous water source in areas without grid coverage. |
Pump parameters
| System | Power | Solar Panel | Output Electricity | Flow | Head | Daily Flow | Flow | Head | Daily Flow | Flow | Head | Daily Flow | |
| Mode | (kw) | Total Power(w) | 5.5kwh/m2/day | m3/h | m | m3/day | m3/h | m | m3/day | m3/day | m | m3/day | |
| MNE-3PH-3-6 | 0.37 | 750 | 3.4 | 2 | 30 | 8.7 | 0.31 | 2.8 | 26 | 11.1 | 3.2 | 23 | 12.0 |
| MNE-3PH-3-9 | 0.55 | 1000 | 4.5 | 2 | 45 | 8.2 | 0.48 | 2.8 | 38 | 10.8 | 3.2 | 33 | 12.1 |
| MNE-3PH-3-12 | 0.75 | 1250 | 5.6 | 2 | 61 | 7.9 | 0.64 | 2.8 | 52 | 10.0 | 3.2 | 44 | 11.1 |
| MNE-3PH-3-15 | 1.1 | 1750 | 7.9 | 2 | 77 | 9.4 | 0.81 | 2.8 | 65 | 11.9 | 3.2 | 56 | 13.0 |
| MNE-3PH-3-18 | 1.1 | 1750 | 7.9 | 2 | 92 | 7.8 | 0.97 | 2.8 | 78 | 10.0 | 3.2 | 68 | 11.2 |
| MNE-3PH-3-22 | 1.5 | 2500 | 11.3 | 2 | 113 | 9.9 | 1.19 | 2.8 | 96 | 12.7 | 3.2 | 84 | 13.9 |
| MNE-3PH-3-27 | 2.2 | 3250 | 14.7 | 2 | 138 | 11.2 | 1.456 | 2.8 | 118 | 14.2 | 3.2 | 104 | 15.8 |
| MNE-3PH-3-32 | 2.2 | 3250 | 14.7 | 2 | 163 | 9.4 | 1.73 | 2.8 | 140 | 11.9 | 3.2 | 122 | 13.2 |
| MNE-3PH-3-38 | 3 | 4500 | 20.3 | 2 | 194 | 11.0 | 2.05 | 2.8 | 168 | 14.0 | 3.2 | 146 | 15.3 |
| MNE-3PH-3-43 | 3 | 4500 | 20.3 | 2 | 220 | 9.6 | 2.35 | 2.8 | 190 | 12.3 | 3.2 | 166 | 13.4 |